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The best way to understand what a hook does is to look at where it occurs in the source code.
do_action( "hook_name" )
apply_filters( "hook_name", "what_to_filter" )
.Remember, this hook may occur in more than one file. Moreover, the hook's context may change from version to version.
Line | Code |
---|---|
739 | * Checks if a user is logged in, if not it redirects them to the login page. |
740 | * |
741 | * @since 1.5 |
742 | */ |
743 | function auth_redirect() { |
744 | // Checks if a user is logged in, if not redirects them to the login page |
745 |
|
746 | $secure = ( is_ssl() || force_ssl_admin() ); |
747 |
|
748 | $secure = apply_filters('secure_auth_redirect', $secure); |
749 |
|
750 | // If https is required and request is http, redirect |
751 | if ( $secure && !is_ssl() && false !== strpos($_SERVER['REQUEST_URI'], 'wp-admin') ) { |
752 | if ( 0 === strpos( $_SERVER['REQUEST_URI'], 'http' ) ) { |
753 | wp_redirect( set_url_scheme( $_SERVER['REQUEST_URI'], 'https' ) ); |
754 | exit(); |
755 | } else { |
756 | wp_redirect( 'https://' . $_SERVER['HTTP_HOST'] . $_SERVER['REQUEST_URI'] ); |
757 | exit(); |